At approximately 10:00 p.m. , on March 26th a Pottawatomie County Deputy Sheriff while on patrol investigated a vehicle parked in the Spillway Marina Park area of Tuttle Creek Dam, according to the Pottawatomie County Sheriff's Dept. During the initial contact, it was discovered that the occupants of the vehicle were a 32 year old female and a 17 year old male.

Further investigation determined that the 32 year old female inside the vehicle was Katherine J. Harder, a Manhattan High School teacher and the male juvenile was a student at the same school. Harder was arrested for Unlawful Sexual Relations and was taken to the Pottawatomie County Jail. A District Spokesperson says Harder, a third year Language Arts teacher has resigned.

Watch 27 News at 5 and 6 for further developments in this story.